Commit 9930fba0 authored by Benjamin Gray's avatar Benjamin Gray Committed by Michael Ellerman
Browse files

selftests/powerpc/dexcr: Attempt to enable NPHIE in hashchk selftest 



Now that a process can control its DEXCR to some extent, make the
hashchk tests more reliable by explicitly setting the local and onexec
NPHIE aspect.

Signed-off-by: default avatarBenjamin Gray <bgray@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240417112325.728010-7-bgray@linux.ibm.com
parent 5bfa66bf

tools/testing/selftests/powerpc/dexcr/hashchk_test.c

+7 −1
Original line number Diff line number Diff line
@@ -21,8 +21,14 @@ 
static int require_nphie(void)

{

	SKIP_IF_MSG(!dexcr_exists(), "DEXCR not supported");



	pr_set_dexcr(PR_PPC_DEXCR_NPHIE, PR_PPC_DEXCR_CTRL_SET | PR_PPC_DEXCR_CTRL_SET_ONEXEC);



	if (get_dexcr(EFFECTIVE) & DEXCR_PR_NPHIE)

		return 0;



	SKIP_IF_MSG(!(get_dexcr(EFFECTIVE) & DEXCR_PR_NPHIE),

		    "DEXCR[NPHIE] not enabled");

		    "Failed to enable DEXCR[NPHIE]");



	return 0;

}